Ventilator



(No Model.)

A. S. SEAMAN.

v VENTILATOR. No. 314,882. Patented Mar. 31, 1885.

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WITNESSES INVENTOR ATTORNEYS N4 P515854 Phmcrblhogmpher. waslnn dun, D, C.

UNITED I STATES- PATENTqQFFICEQ ALFRED S. SEAMAN, OF FRACKVI LLE, PENNSYLVANIA.

VENTILATOR.

SPECIFICATION forming part of Letters Patent No. 814,882, dated Idarch 31, 1885. Application filed July 12, 1884. (N0 model.)

To all whom it may concern.-

Be it known that I, ALFRED S. SEAMAN, a citizen of the United States, residing at Frackville, in the county of Schuylkill and State of Pennsylvania, have invented certain new and useful Improvements in Ventilators; and I do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to letters or figures of reference marked thereon, which form a part of this specification.

Figure 1 of the drawings is a representa tion of this invention, and is aview of the in ner face of the ventilator. Fig. 2 is a view of the outer face. Fig.3 is a vertical sec tion. Fig. 4 is a detail view showing amodification of the invention. Fig. 5 is a vertical section of the same.

This invention has relation to improvements in ventilators to be used in connection with windows; and it consists in the construction and novel arrangement of devices, as will be hereinafter more fully set forth, and particularly pointed out in the claim appended. t

In the accompanying drawings, A indicates the main frame of the ventilator, which is provided on its outer face with a 1ongitudinal central groove, a, to receive a longitudinal slide-strip, B, which is provided at suitrabbet, d, which, when the device is used at the lower portion of the window, is designed to receive the lower longitudinal strip of the lower section of the glass frame, and is provided on its under longitudinal outer edge with a rabbet, t, to engage the facestrip and sill of the window-casing.

G indicates a covering-strip, which is of less width and greater length than the frame A. This strip is secured to the outer face of the frame A, and is provided with a central longitudinal slot, g, of nearly the entire width of the perforated slide. This strip is also provided at opposite ends with transverse ledges h h, forming at the opposite ends of the inner face of the main frame vertical transverse rabbets or grooves H, which are designed to dow-casing, the extensions 2' i fitting in the Window-ways.

I indicates a strip of wire-gauze, which is secured to the grooved inner side of the covering-strip G, the gauze being designed to cover the ventilating-apertures in the slide and main frame A, so as to prevent the entrance of flies and other insects, and at the same time admit air to the room.

From the foregoing description it will be perceived that the device is designed to extend the entire width of the window, and may be applied at the top of the window equally as well as at the bottom thereof.

If found desirable, a rotary slide may be used instead of the horizontal one, in which case the apertures in the main frame should be made of a shape conformable to the apertures in the slide, and the slot for the passage of the knob'shauk made circular instead of straight.

I am aware that it is not new to provide a window-ventilator with a recess to receive the window, and another to engage the window-sash, and that such ventilators have been made of sheet metal in sections, and therefore do not claim such devices, broadly; but,

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-

As an improved article of manufacture, the ventilator herein described, consisting of the frame A, composedofa single piece, having its upper and lower longitudinal edges provided with the rabbets d and i, its outer face longitudinally grooved or recessed to receive the slide and provided with transverse ap' ertures, the perforated slide arranged in said engage the vertical molding-strips of a wingroeve, the slide-knob having its shank exf 'In testimony whereof Iaffix my signature in tending through the elongated slot in the frame A, and the covering-strip having the longitudinal slot 9, covered with wire-gauze 5 I, and its opposite end extended to engage Witnesses:

the window-ways of a window-casing, sub- H. K. WESTON,

- A. E. WESTON.

presence of two witnesses.

ALFRED S. SEAMAN.

stantially as shown and described. 

